"Back button on error page"

tetawebapp/templates/error.html

@@ -7,6 +7,9 @@
       <p>The page you asked for was not found on this server.<br/>
       It may has been lost, it may has never existed.<br/>
       Maybe we don't care at all...</p>
+      <p>
+        <input type='button' value='Get me back to business' onclick='javascript:document.location="/";'/>
+      </p>
       <img src='/static/images/404.png' alt='404 - Not found' title='404 - Not found'/>
     </article>
 {% endblock %}